Avalanche forecast for Sør-Troms Saturday 2019-05-18

2
Moderate
Published:

The avalanche danger varies during the day. The danger is at its highest in steep sun exposed slopes and in the afternoon when the air temperature is high.

Wet snow (loose snow avalanches)

Loose snow

Be careful in avalanche release and runout areas. Avoid skiing in terrain traps. Timing is important. Stability decreases when the snow surface gets wet and soft. Wet snow avalanches tend to release spontaneously.
2 - Medium
Spontaneous release
Specific steep slopes
Possible

Wet snow (slab avalanches)

Water pooling in/above snow layers

Avoid staying for a longer period in avalanche release and run out areas. Wet snow avalanches tend to release spontaneously. Stability decreases when the snow surface gets wet and soft. Timing is important.
2 - Medium
Spontaneous release
Isolated steep slopes
Possible

What are avalanche problems?

Observations the last 3 days (map placed)

0 mm precipitation.
Breeze from southwest.
0 °C to 7 °C at 700 m a.s.l.
Plus degrees up to 1800 m a.s.l. during the afternoon.
Partly cloudy.

For updated info, please visit yr.no
0 mm precipitation.
Breeze from northeast.
0 °C to 9 °C at 700 m a.s.l.
Clear skies.

For updated info, please visit yr.no

Observations the last 3 days

Sør-Troms / LENVIK

Snow

18.05.2019 kl. 11:54

913 masl

mbie@obskorps (*****)

Image Of Weather
Image 1 of 2 Of:  Weather Copyright:  mbie@obskorps
Image Of Weather
Image 2 of 2 Of:  Weather Copyright:  mbie@obskorps

Weather

No precipitation 8.1 °C 0 m/s Plussgrader helt til topps

ObsID: 194970

Sør-Troms / BERG

Snow

18.05.2019 kl. 10:06

131 masl

mbie@obskorps (*****)

Image Of Snow Cover
Image 1 of 1 Of:  Snow Cover Copyright:  mbie@obskorps

Snow Cover

0 cm new snow Wet loose snow Wet

ObsID: 194941

Sør-Troms / Spanstinden, Lavangen kommune

Snow

17.05.2019 kl. 16:00

700 masl

Marius@obskorps (****)

Image Of Snow Profile
Image 1 of 4 Of:  Snow Profile Copyright: 
Image Of Snow Cover
Image 2 of 4 Of:  Snow Cover Copyright:  MOL Comment:  Bilde tatt fra 1400moh på Spanstinden, Lavangen kommune
Image Of Snow Profile
Image 3 of 4 Of:  Snow Profile Copyright:  MOL Comment:  Profil 1400moh Spanstinden
Image Of Snow Profile
Image 4 of 4 Of:  Snow Profile Copyright:  MOL Comment:  Delvis smelteomvandlet kantkorn

Danger Sign

No signs observed

Weather

No precipitation 2 °C 3 m/s from NW ↘ Pent og varmt vær i dag.

Avalanche Problems

Loose wet avalanche Loose snow Easy to trigger 1 - Small N, NE, E, SE, S, SW, W, NW below 400 masl

Avalanche Danger Assessment

1 Low Mulig at det er mer flakdannet snø andre steder i regionen enn på observasjonsstedet, men her oppleves det som smeltemovandlet og/eller ubunden sol over i stor grad smelteomvandlet snø og at våte løssnøskred er problemet i all hovedsak. Fortsatt varmt fremover og snøen vil fuktes til/smelteomvandles ytterligere. Der det evt. er flak vil dette kunne gi økt fare senere på dagen. Usikker på om det finnes mer flakdannet snø andre steder i regionen, men basert på observasjoner mener jeg at det er fg 1 på observasjonstedet.

Avalanche Activity

17. May. During the day No avalanche activity

Snow Cover

No snowdrift Snow line at 200 masl. Layered snow begins at 900 masl Wet loose snow Wet Det er fortsatt mye snø i fjellet. Det har kommet endel snø i løpet av uken. I varselet nevnes det våte flakskred i overgangen ny/gammel snø. På observasjonsstedet, som er dominerende sydvendt, er snøen i stor grad smelteomvandlet og/eller ubunden fuktig til våt i overflaten, med smelteomvandlet snø under som på profilstedet (1400moh) for det meste er tilfrosset under de øverste 5-15cm.

Snow Profile

9 stratigraphy layers observed Tatt i sørvendt helning på ca. 1400moh på Spanstinden. For det meste er snøen smelteomvandlet, men det er rester av kantkorn og skarelag lenger ned i snødekket.

ObsID: 194910

The bulletin does not include a detailed text about the avalanche conditions. This is only given in Norwegian. Translate it using google translate if you like. The text result will be informative, and most likely amusing

For planning your trip and recognizing avalanche terrain, use maps.

Norway has 1:50 000 maps for the whole country. Maps can be bought at bookstores and sports shops, or printed from the net.

Visit www.ut.no for topographic maps online. For slope angle maps, see NGI slope angel maps ("helning" means slope angle).

Modelled snowpack and historic and current weather information can be found on the webpage senorge.no. This site uses information from the weather stations and interpolate values from the stations for gridded maps.

Detailed weather forecast can be found online at www.yr.no or www.storm.no. Yr.no is also in English, but the weather in text format is only given in Norwegian.